Antifriction center-bearing.



` 1 L o'coNNon. AN'III'RICTION CENTER BEARING.

APPLICATION FILED APR. I4. ISIS.

Patented Apr 17.1917.

,am 7 9 2 2 2, l

M. H V//M fig-1 `3 is a vertical detail sectional view td ED STATESPATENT oEEIoE.

r. ocomon, or cnrcmo, ILL-mors, Assmnon rro WILLIAM H. Mmm,- or

` omar, NEW Yoan.

vBearings, of which the following is a full,

clear, concise, and exact description, refer- `ence being had to theaccompanying"draw-` ings, forming a part of this specification.

This inventionrelates to improvements in anti-friction center bearings.

The object of the invention is to provide a simple and inexpensiveanti-friction center bearing for railway cars and so arranged that theposition of theYanti-frictjon membersis constantly -shiited relativelyto.the bearing surfaces with which they engage to thereby minimize wear.

In the drawing forming a part of this specification, Figure-1 is avertical, sectional view taken' longitudinally of a car, and showing myimprovements vinterposed be, tween the body a`nd truck holsters. Fig. 2is a horizontal, sectional view taken sub. stantially on the line 2-2 ofFig. 1. Fig.

4'substantially on the line 3-3 of Figf. And Fig. 4 is a detailperspective of one of the checks employed with my improvemerits. l

In said draw-ing, 10 denotes the body bolster of a gnar, 11 the truckbolster and 12 the cen'ter pin by which the same are swivell'yconnected. Secured to the upper face of the truck bolster 11 is a lowerbearsi e` of the body-ibo sieimis--seeuredthe uper bearin plate orcasting 14. The, lower t0` `earing p ate 13 is provided on its upperprovided with an outer depen P0 tween.

face with an outer annularrun or iange 15 and an inner spaced' annularrim or ange 16, the latter `being somewhat hi her than the former. Theupper bear-ir p ate 14 is ng annular rim or lian 1.7, the lower portion"of which outwar y offset as indicated at 18 and overlaps the flan e 15,ailing of fiber vpack-Y ing 19 bein pre erablyinterpo'sed therebe- Saiup ver'plate 14.' is also rovided with@L inner" ependig or ange 20which.` overlapwl `annnlar flange' mageepfbeing-eagu1ded as4 mais;

ed at* l 'j Specification of Letters Patent.

saidV agrrrmc'mron centran-BEARING.

Pat ented Apr. 17, 1917.

Application led April 14, 1916. Serial No. 91,205.

21 and having inter posed therebetween and the upper edge of 1he ange16, a ring of fiber packing 22.

The anti-friction :nechanism proper, comlprises a lower annilararf'plate23, an upper annular wear plate 24, a folding plate 25, an upper"seriesof anti-friction rollers 26,a lower series of anti-friction rollers 27,a` series of ehocks 28 coperable with the up. per series of rollers 26,and a lower series ofschocks 29 coperzble with the lower series ofrollers 27. The wear'plate 23 is right angular in cross se ction withthe vertical {iange 30 thereof )utermost The upper wear plate 24 is als)right angular in 4cross section but with the.v vertical flange 31extending downwardly 'and on the inner side. The intermediate0:."loating plate 25 is Z shape in cross section .with the outer ange 32extending upwar llyA and the inner flange 33 extending dowr: wardly. By=this construction of the inte rmcdiate plate 25 it will be noted that Iobta n great strengthagainst bending moments applied vent/ieally,thereto4 whichpermits m( tonemploy fewer rollers without @ngenofft' ieintermediate plate, 25 hecomigbentm l v By referring to Fig. 3, it willbe notedv that the shocks' 28 are provided at their lower left hand(.orners with relatively sharp extensions 34 which extend under therollers 26 at the left hand ends thereof. The lower chocks 2S areprovided with relatively sharp extensions 35 at their lower right handcorners ind vv vhich extend under` the rpllers ,27-l at zheirV righthand ends. 'Frein this it will 'ee seen that the upper rollers 26 arepermftted rotation to theleft only, whereas the rollers 27 4arepermitted rotation to the righ" only, as viewed in Fig.

8. In view of the foregoing arrangement,

it is apparent that the rollers 26 and 27 will be constantly shiftedrelatively .to.their respective bearing plates and always irf the samedirection, that is, the upper series will be shifted in aclo kwisedirection and the lower series in a co'lnterclockwise direction,

when looking down u on the bearin ,It

also follows that the mtermediatejo ding plate 25 will be com tantlyshifted in a coun,-

terclockwise direction."

I claim:""`

1.. In a deviceof thecharacter described,

I the combination with opposed. bearing plates, of two series ofanti-friction meinei-s. between said plates, one series bein locateddirectly above the other, and` a oating plate interposed between saidVanti-frmtion members, said floating plate-being of Z the flangesvertically. l 2. In a device of the character described,-

-th'e combination with opposed bearing plates, of two seriesy ofanti-frictionrnembers between said plates, -one'series being locateddirectly ,above the other, a .floating plate interposed between saidanti-friction members, said float-ing plate being. of 'Z sec- ,tion withthe web extending horizontally and the flanges vertically, 'andtwo'series of chocks associated with said anti-friction members, oneseries of checks beingar-v ranged to' prevent movement of theantifriction members in one direction andthe l other series of chocks toprevent movement nation with a lower bearing late having an of theanti-friction members dlrection. p

3, In a center bearing for cars, the combii-n the opposite annulargroove on its upper 4ace and an up- Vper bearing plate havin'g'anannular groove 'on its'under face, said' bearing plates being telesco edaround their peripheries, of two sets ofp anti-f`riction rollers locatedwithin said grooves, one set above the other, and :r2-plate insertedbetween said 'sets of rollers, the plate extending partly into each lofsaid annular grooves.v y A 4. In a center bearing for ears, thecombination with up rand-lower bearing plates having opposedPe posed' ineach of'said grooves, said wear plates being opposltely'arranged,two'sets of anti-friction members located in said V grooves, and afloating plate interposed bei twe'en said anti-friction being ofZ-'section, whereby to 'resist 'Vertical a body bo section, the webextending' horizontally and each of said plates annular channel, of anannular -grooves therein, of. a wear plate of. angular cross sectlonvdismembers, .said plate bending moments applied thereto fromfsaidantl-frlctlon members.

5. In an anti-frictionv center bearing for railway cars, the combinationwith an upper bearin plate adapted to be secured to iter, and a lowerbearino late adaptedto be secured to a truck ster,

annular wear plate of right an le cross section associated. with theupper earing plate, an annular Wear plate of right angle lcrosssectionassociated with the .lower bearing plate, a series of antifrictionrollers mounted on said lower wear plate, a series of'chocks associatedwith said rollers, a series of rollers in ment with the upper wearchecks associated with sain upper series of rollers,.the two series` of.checks bein op- -positely arranged, and a floating plate 1nterposedbetween the two series'of rollers.

engage- 6. In an anti-friction center bearing for railway ears, theeoinbinatlon witlian upper.

bearinr plate adapted to be secured-,to a body liolster, and a lowerbearing) late adapted to. be secured to a truck Y o ster, each of saidplates being provided with an annular channel, of an annular wearplateof right angle cross section associated with the upper bearing plate,van annular wear plate of right anglecross section associated wlth thelower bearing plate, a series of being provided with an late, a seriesof Y anti-friction rollers mounted on said lower wear plate, a series ofchecks assoclated wlth' said rollers, a series of rollers in engagementwith the upper wear plate, a :seriesl of checks' -associated-.witlisaid. upper series of rollers,V the two series of checks b eingoppositely arranged, anda fioating plate linterposed ,be-

tweenV the Vtwo series of 1 '0llers,-siid floating vplate-being Z shape1n cross sectlon.

In witness that I elalm the foregoing` I have 'hereunto subscribed myname this-17th day of March, 1.916,

` JOHN F. (lCZOITNOR.V

